نتایج جستجو برای: linear deteriorating jobs

تعداد نتایج: 507219  

2002
Aleksander Bachman Adam Janiak Wieslaw Wajs

The paper deals with a problem of scheduling deteriorating jobs on a single machine to minimize the total completion time. Deterioration of a job means that its processing time is a function of its execution start time. We present some optimal properties for three problems, which correspond to three different decreasing linear functions, whose increasing counterparts have been studied in the li...

2009
Xiuli Wang T. C. Edwin Cheng

This paper studies the single-machine scheduling problem with deteriorating jobs and learning considerations. The objective is to minimize the makespan. We first show that the schedule produced by the largest growth rate rule is unbounded for our model, although it is an optimal solution for the scheduling problem with deteriorating jobs and no learning. We then consider three special cases of ...

This paper considers the single machine scheduling problem with precedence constraints and deteriorating jobs. A mathematical model based on binary integer programming (BIP) is developed. By these precedence constraints, jobs can not start before completion of its all predecessors. The represented model is in two steps, in step one the earliest starting time of each job is computed, then the re...

2012
Marek Debczynski Stanislaw Gawiejnowicz

We consider the problem of scheduling linearly deteriorating jobs on a single machine. Between the jobs there are defined arbitrary precedence constraints and the objective is to minimize the maximum cost. For this problem we propose an exact algorithm and a heuristic. We also report preliminary results of computational experiments conducted in order to evaluate the quality of schedules generat...

Journal: :Journal of the Operational Research Society 2004

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